MD Settings: Convert reset_page/ to use browser proxy pattern.

chrome/browser/ui/webui/settings/reset_settings_handler_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/values.h"
 #include "chrome/browser/profile_resetter/profile_resetter.h"
 #include "chrome/browser/ui/webui/settings/reset_settings_handler.h"
@@ skipping 68 matching lines @@
  private:
   // The order here matters.
   content::TestBrowserThreadBundle thread_bundle_;
   TestingProfile profile_;
   content::TestWebUI web_ui_;
   TestingResetSettingsHandler handler_;
 };
 
 TEST_F(ResetSettingsHandlerTest, HandleResetProfileSettings) {
   base::ListValue list;
+  std::string expected_callback_id("dummyCallbackId");
+  list.AppendString(expected_callback_id);
   list.AppendBoolean(false);
   handler()->HandleResetProfileSettings(&list);
   // Check that the delegate ProfileResetter was called.
   EXPECT_EQ(1u, handler()->resets());
   // Check that Javascript side is notified after resetting is done.
-  EXPECT_EQ("SettingsResetPage.doneResetting",
+  EXPECT_EQ("cr.webUIResponse",
             web_ui()->call_data()[0]->function_name());
+  std::string callback_id;
+  EXPECT_TRUE(web_ui()->call_data()[0]->arg1()->GetAsString(&callback_id));
+  EXPECT_EQ(expected_callback_id, callback_id);
 }
 
 }  // namespace